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Finding the Fourth Proportional to 490,031.13, 735,150.59 and 174,487.13

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Solution

The fourth proportional to 490,031.13, 735,150.59 and 174,487.13 is: 261,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,031.13 : 735,150.59 = 174,487.13 : x
  2. Step 2: Convert to fraction form
    490,031.13/735,150.59 = 174,487.13/x
  3. Step 3: Cross multiply
    490,031.13x = 735,150.59 × 174,487.13
  4. Step 4: Simplify right side
    490,031.13x = 128,274,312,018.72
  5. Step 5: Solve for x
    x = 128,274,312,018.72/490,031.13
  6. Step 6: Final answer
    x = 261,767.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.